Definition of Prime meridian. Meaning of Prime meridian. Synonyms of Prime meridian
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Definition of Prime meridian
Prime meridian Prime and ultimate ratio. (Math.). See Ultimate.
Prime conductor. (Elec.) See under Conductor.
Prime factor (Arith.), a factor which is a prime number.
Prime figure (Geom.), a figure which can not be divided
into any other figure more simple than itself, as a
triangle, a pyramid, etc.
Prime meridian (Astron.), the meridian from which longitude
is reckoned, as the meridian of Greenwich or Washington.
Prime minister, the responsible head of a ministry or
executive government; applied particularly to that of
Prime mover. (Mech.)
(a) A natural agency applied by man to the production of
power. Especially: Muscular force; the weight and
motion of fluids, as water and air; heat obtained by
chemical combination, and applied to produce changes
in the volume and pressure of steam, air, or other
fluids; and electricity, obtained by chemical action,
and applied to produce alternation of magnetic force.
(b) An engine, or machine, the object of which is to
receive and modify force and motion as supplied by
some natural source, and apply them to drive other
machines; as a water wheel, a water-pressure engine, a
steam engine, a hot-air engine, etc.
(c) Fig.: The original or the most effective force in any
undertaking or work; as, Clarkson was the prime mover
in English antislavery agitation.
Prime number (Arith.), a number which is exactly divisible
by no number except itself or unity, as 5, 7, 11.
Prime vertical (Astron.), the vertical circle which passes
through the east and west points of the horizon.
Prime-vertical dial, a dial in which the shadow is
projected on the plane of the prime vertical.
Prime-vertical transit instrument, a transit instrument the
telescope of which revolves in the plane of the prime
vertical, -- used for observing the transit of stars over
Meaning of Prime meridian from wikipedia
- A prime meridian
is the meridian
(a line of longitude) in a geographic coordinate system
at which longitude
to be 0°. Together, a prime
- 0°00′05.31″W / 51.4778111°N 0.0014750°W / 51.4778111; -0.0014750 The prime meridian
is a geographical reference
line that p****es through
in angular degrees
east or west of the Prime Meridian
. The position
of a point along
by that longitude
and its latitude, measured...
- Null Island
is a name for the point
on the Earth's surface where
the prime meridian
and the equator
in international waters
in the Gulf of...
- The 180th meridian
is the meridian
180° both east and west of the Prime Meridian
, with which
a great circle dividing
- The Washington meridians
are four meridians
that were used as prime meridians
in the United States
and p**** through
Washington, D.C.. The four which
- International Meridian Conference
was a conference
held in October
1884 in Washington, D.C., in the United
States, to determine
a prime meridian
- long-standing rival
to the Greenwich meridian
as the prime meridian
of the world. The "Paris meridian
arc" or "French meridian
arc" (French: la Méridienne de...
- Ante Meridian
is a misspelling
of: Antimeridian, a meridian
at 180° from another
or the meridian opposite
the prime meridian
Ante meridiem, normally
- 0° The IERS Reference Meridian
(IRM), also called
the International Reference Meridian
, is the prime meridian
(0° longitude) maintained
by the International...
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